82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
/* HAPC protocol framing test code */
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/* (C) 2015 by Harald Welte <laforge@gnumonks.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <stdio.h>
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#include "hapc_frame.h"
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const uint8_t test_frame[] = { 0xAA, 0x10, 0x58, 0x02, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFC, 0x00, 0x00, 0x00, 0x01, 0x00, 0x13 };
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const uint8_t resp_frame[] = { 0xAA, 0x20, 0x58, 0x02, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00, 0x00, 0x00, 0x82,
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0x18, 0x81, 0x00, 0x00, 0x20, 0x03, 0x00, 0x09, 0x08, 0x91, 0x94, 0x58, 0x16, 0x89, 0x63, 0x07, 0xf2, 0x0d };
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static void dump_frame_object(const struct hapc_flash_obj_hdr *foh, unsigned int len)
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{
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unsigned int payload_len = len - sizeof(*foh);
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printf("obj_id=0x%08x, mask=0x%08x, total_size=%d, block_size=%d, offset_block=%d, status=%s, data=%s\n",
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foh->obj_id, foh->mask, foh->total_size, foh->block_size, foh->offset_block,
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get_value_string(hapc_obj_status_names, foh->obj_status & 0x7f), osmo_hexdump(foh->data, payload_len));
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}
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static uint8_t compute_checksum(const uint8_t *data, unsigned int len)
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{
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unsigned int i;
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uint8_t checksum = 0;
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for (i = 0; i < len; i++)
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checksum += data[i];
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return checksum;
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}
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void dump_frame(const struct hapc_msg_hdr *hdr)
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{
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unsigned int len = hapc_payload_len(hdr);
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uint8_t csum_frame, csum_computed;
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printf("len=%4u, flow_id=%s: ", len,
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get_value_string(hapc_flow_names, hdr->flow_id));
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csum_frame = hapc_frame_csum(hdr);
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csum_computed = compute_checksum((const uint8_t *) hdr, sizeof(*hdr)+len);
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if (csum_frame != csum_computed) {
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printf("CSUM ERROR (%02x != %02x)\n", csum_frame, csum_computed);
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return;
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}
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switch (hdr->flow_id) {
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case HAPC_FLOW_OBJECT:
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dump_frame_object((const struct hapc_flash_obj_hdr *) hdr->data, len - sizeof(*hdr));
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break;
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default:
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printf("\n");
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break;
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}
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}
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int main(int argc, char **argv)
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{
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const struct hapc_msg_hdr *hdr = (const struct hapc_msg_hdr *) test_frame;
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dump_frame(hdr);
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hdr = (const struct hapc_msg_hdr *) resp_frame;
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dump_frame(hdr);
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}
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